Fit: Fits true to size, take your normal size Lining Material: Mesh Closure Type: Lace-up Outsole Material: Rubber Pattern Type: Geometric Feature: Breathable,Anti-Slippery Insole Material: EVA Upper Material: Mesh (Air mesh) Brand Name: OLOEY Item Type: Sneaker Origin: Mainland China CN: Zhejiang Gender: Unisex Age Range: 13-24m,25-36m,4-6y,7-12y,12 y Season: Spring & Autumn Department Name: Children Size 21(insole length-13.5cm) Size 22(insole length-14cm) Size 23(insole length-14.5cm) Size 24(insole length-15cm) Size 25(insole length-15.5cm) Size 26(insole length-16cm) Size 27(insole length-16.5cm) Size 28(insole length-17cm) Size 29(insole length-17.5cm) Size 30(insole length-18cm) Size 31(insole length-18.5cm) Size 32(insole length-19cm) Size 33(insole length-19.5cm) Size 34(insole length-20cm) Size 35(insole length-20.5cm) Size 36(insole length-21cm) Size 37(insole length-21.5cm) Size 38(insole length-22cm)